WASHINGTON NATL WSCMO A, VIRGINIA

Period of Record General Climate Summary - Precipitation

From Year=1948 To Year=2012
Station:(448906) WASHINGTON NATL WSCMO A
Averages Daily Extremes
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 2.79 7.11 78 0.31 55 1.84 04/1992 10 6 2 0 4.9 23.8 96
February 2.59 5.71 61 0.35 109 2.27 22/2003 9 6 2 0 5.4 32.1 110
March 3.46 8.45 94 0.05 106 2.29 13/1993 11 7 2 1 1.9 17.1 60
April 2.95 6.88 83 0.03 85 3.04 14/1970 10 6 2 1 0.0 0.6 72
May 3.77 10.69 53 0.75 86 3.24 05/1953 11 7 3 1 0.0 0.0 49
June 3.51 14.02 106 0.95 88 6.11 21/1972 10 6 2 1 0.0 0.0 49
July 3.82 9.44 69 0.93 66 4.69 09/1970 10 6 3 1 0.0 0.0 49
August 3.89 14.31 55 0.55 62 5.44 12/1955 9 6 2 1 0.0 0.0 48
September 3.60 12.36 75 0.11 105 4.76 16/1976 8 5 2 1 0.0 0.0 48
October 3.17 9.41 105 0.00 63 3.67 08/2005 8 5 2 1 0.0 0.3 79
November 2.99 6.70 63 0.29 81 2.58 06/1963 8 5 2 1 0.7 11.5 87
December 3.14 6.79 109 0.22 55 3.10 07/2011 9 6 2 1 2.7 16.6 109
Annual 39.68 51.97 72 26.94 65 6.11 19720621 113 71 27 9 15.6 44.6 96
Winter 8.53 16.26 79 3.32 102 3.10 20111207 28 17 6 2 13.0 56.1 110
Spring 10.18 22.89 53 3.47 86 3.24 19530505 32 20 7 2 2.0 17.1 60
Summer 11.22 19.88 69 4.62 62 6.11 19720621 29 18 8 3 0.0 0.0 49
Fall 9.76 17.15 95 2.65 101 4.76 19760916 24 15 7 3 0.7 11.5 87
Table updated on May 22,
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


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